chore: remove obsolete openpgp-ktx code

5 files changed, 0 insertions, 724 deletions

diff --git a/openpgp-ktx/src/main/java/me/msfjarvis/openpgpktx/AutocryptPeerUpdate.kt b/openpgp-ktx/src/main/java/me/msfjarvis/openpgpktx/AutocryptPeerUpdate.kt
deleted file mode 100644
index c6bd573d..00000000
--- a/openpgp-ktx/src/main/java/me/msfjarvis/openpgpktx/AutocryptPeerUpdate.kt
+++ /dev/null
@@ -1,109 +0,0 @@
-/*
- * Copyright © 2014-2021 The Android Password Store Authors. All Rights Reserved.
- * SPDX-License-Identifier: Apache-2.0
- */
-package me.msfjarvis.openpgpktx
-
-import android.os.Parcel
-import android.os.Parcelable
-import android.os.Parcelable.Creator
-import java.util.Date
-
-public class AutocryptPeerUpdate() : Parcelable {
-
-  private var keyData: ByteArray? = null
-  private var effectiveDate: Date? = null
-  private lateinit var preferEncrypt: PreferEncrypt
-
-  internal constructor(
-    keyData: ByteArray?,
-    effectiveDate: Date?,
-    preferEncrypt: PreferEncrypt
-  ) : this() {
-    this.keyData = keyData
-    this.effectiveDate = effectiveDate
-    this.preferEncrypt = preferEncrypt
-  }
-
-  @Suppress("UNUSED_PARAMETER")
-  private constructor(source: Parcel, version: Int) : this() {
-    keyData = source.createByteArray()
-    effectiveDate = if (source.readInt() != 0) Date(source.readLong()) else null
-    preferEncrypt = PreferEncrypt.entries[source.readInt()]
-  }
-
-  public fun createAutocryptPeerUpdate(keyData: ByteArray?, timestamp: Date?): AutocryptPeerUpdate {
-    return AutocryptPeerUpdate(keyData, timestamp, PreferEncrypt.NOPREFERENCE)
-  }
-
-  public fun getKeyData(): ByteArray? {
-    return keyData
-  }
-
-  public fun hasKeyData(): Boolean {
-    return keyData != null
-  }
-
-  public fun getEffectiveDate(): Date? {
-    return effectiveDate
-  }
-
-  public fun getPreferEncrypt(): PreferEncrypt? {
-    return preferEncrypt
-  }
-
-  override fun describeContents(): Int {
-    return 0
-  }
-
-  override fun writeToParcel(dest: Parcel, flags: Int) {
-    /**
-     * NOTE: When adding fields in the process of updating this API, make sure to bump
-     * [.PARCELABLE_VERSION].
-     */
-    dest.writeInt(PARCELABLE_VERSION)
-    // Inject a placeholder that will store the parcel size from this point on
-    // (not including the size itself).
-    val sizePosition = dest.dataPosition()
-    dest.writeInt(0)
-    val startPosition = dest.dataPosition()
-    // version 1
-    dest.writeByteArray(keyData)
-    if (effectiveDate != null) {
-      dest.writeInt(1)
-      dest.writeLong(effectiveDate!!.time)
-    } else {
-      dest.writeInt(0)
-    }
-    dest.writeInt(preferEncrypt.ordinal)
-    // Go back and write the size
-    val parcelableSize = dest.dataPosition() - startPosition
-    dest.setDataPosition(sizePosition)
-    dest.writeInt(parcelableSize)
-    dest.setDataPosition(startPosition + parcelableSize)
-  }
-
-  public companion object CREATOR : Creator<AutocryptPeerUpdate> {
-
-    private const val PARCELABLE_VERSION = 1
-
-    override fun createFromParcel(source: Parcel): AutocryptPeerUpdate {
-      val version = source.readInt() // parcelableVersion
-      val parcelableSize = source.readInt()
-      val startPosition = source.dataPosition()
-      val vr = AutocryptPeerUpdate(source, version)
-      // skip over all fields added in future versions of this parcel
-      source.setDataPosition(startPosition + parcelableSize)
-      return vr
-    }
-
-    override fun newArray(size: Int): Array<AutocryptPeerUpdate?> {
-      return arrayOfNulls(size)
-    }
-  }
-
-  public enum class PreferEncrypt {
-    NOPREFERENCE,
-    MUTUAL
-  }
-}
diff --git a/openpgp-ktx/src/main/java/me/msfjarvis/openpgpktx/util/OpenPgpApi.kt b/openpgp-ktx/src/main/java/me/msfjarvis/openpgpktx/util/OpenPgpApi.kt
deleted file mode 100644
index 91523a54..00000000
--- a/openpgp-ktx/src/main/java/me/msfjarvis/openpgpktx/util/OpenPgpApi.kt
+++ /dev/null
@@ -1,355 +0,0 @@
-/*
- * Copyright © 2014-2021 The Android Password Store Authors. All Rights Reserved.
- * SPDX-License-Identifier: Apache-2.0
- */
-@file:Suppress("BlockingMethodInNonBlockingContext", "Unused")
-
-package me.msfjarvis.openpgpktx.util
-
-import android.content.Context
-import android.content.Intent
-import android.os.ParcelFileDescriptor
-import android.util.Log
-import java.io.IOException
-import java.io.InputStream
-import java.io.OutputStream
-import java.util.concurrent.atomic.AtomicInteger
-import org.openintents.openpgp.IOpenPgpService2
-import org.openintents.openpgp.OpenPgpError
-
-public class OpenPgpApi(private val context: Context, private val service: IOpenPgpService2) {
-
-  private val pipeIdGen: AtomicInteger = AtomicInteger()
-
-  public suspend fun executeApi(
-    data: Intent,
-    inputStream: InputStream?,
-    outputStream: OutputStream?
-  ): Intent {
-    var input: ParcelFileDescriptor? = null
-    return try {
-      if (inputStream != null) {
-        input = ParcelFileDescriptorUtil.pipeFrom(inputStream)
-      }
-      executeApi(data, input, outputStream)
-    } catch (e: Exception) {
-      Log.e(TAG, "Exception in executeApi call", e)
-      val result = Intent()
-      result.putExtra(RESULT_CODE, RESULT_CODE_ERROR)
-      result.putExtra(RESULT_ERROR, OpenPgpError(OpenPgpError.CLIENT_SIDE_ERROR, e.message))
-      result
-    } finally {
-      if (input != null) {
-        try {
-          input.close()
-        } catch (e: IOException) {
-          Log.e(TAG, "IOException when closing ParcelFileDescriptor!", e)
-        }
-      }
-    }
-  }
-
-  private suspend fun executeApi(
-    data: Intent,
-    inputFd: ParcelFileDescriptor?,
-    outputStream: OutputStream?,
-  ): Intent {
-    var output: ParcelFileDescriptor? = null
-    return try {
-      // always send version from client
-      data.putExtra(EXTRA_API_VERSION, API_VERSION)
-      val result: Intent
-      var outputPipeId = 0
-      if (outputStream != null) {
-        outputPipeId = pipeIdGen.incrementAndGet()
-        output = service.createOutputPipe(outputPipeId)
-      }
-      // blocks until result is ready
-      result = service.execute(data, inputFd, outputPipeId)
-      // set class loader to current context to allow unparcelling
-      // of OpenPgpError and OpenPgpSignatureResult
-      // http://stackoverflow.com/a/3806769
-      result.setExtrasClassLoader(context.classLoader)
-      if (outputStream != null) {
-        ParcelFileDescriptorUtil.pipeTo(outputStream, output)
-      }
-      result
-    } catch (e: Throwable) {
-      Log.e(TAG, "Exception in executeApi call", e)
-      val result = Intent()
-      result.putExtra(RESULT_CODE, RESULT_CODE_ERROR)
-      result.putExtra(RESULT_ERROR, OpenPgpError(OpenPgpError.CLIENT_SIDE_ERROR, e.message))
-      result
-    } finally {
-      if (output != null) {
-        try {
-          output.close()
-        } catch (e: IOException) {
-          Log.e(TAG, "IOException when closing ParcelFileDescriptor!", e)
-        }
-      }
-    }
-  }
-
-  public companion object {
-
-    private const val TAG = "OpenPgp API"
-
-    public const val SERVICE_INTENT_2: String = "org.openintents.openpgp.IOpenPgpService2"
-
-    /** see CHANGELOG.md */
-    public const val API_VERSION: Int = 11
-
-    /**
-     * General extras --------------
-     *
-     * required extras: int EXTRA_API_VERSION (always required)
-     *
-     * returned extras: int RESULT_CODE (RESULT_CODE_ERROR, RESULT_CODE_SUCCESS or
-     * RESULT_CODE_USER_INTERACTION_REQUIRED) OpenPgpError RESULT_ERROR (if RESULT_CODE ==
-     * RESULT_CODE_ERROR) PendingIntent RESULT_INTENT (if RESULT_CODE ==
-     * RESULT_CODE_USER_INTERACTION_REQUIRED)
-     */
-
-    /**
-     * General extras --------------
-     *
-     * required extras: int EXTRA_API_VERSION (always required)
-     *
-     * returned extras: int RESULT_CODE (RESULT_CODE_ERROR, RESULT_CODE_SUCCESS or
-     * RESULT_CODE_USER_INTERACTION_REQUIRED) OpenPgpError RESULT_ERROR (if RESULT_CODE ==
-     * RESULT_CODE_ERROR) PendingIntent RESULT_INTENT (if RESULT_CODE ==
-     * RESULT_CODE_USER_INTERACTION_REQUIRED)
-     */
-    /**
-     * This action performs no operation, but can be used to check if the App has permission to
-     * access the API in general, returning a user interaction PendingIntent otherwise. This can be
-     * used to trigger the permission dialog explicitly.
-     *
-     * This action uses no extras.
-     */
-    public const val ACTION_CHECK_PERMISSION: String =
-      "org.openintents.openpgp.action.CHECK_PERMISSION"
-
-    /**
-     * Sign text resulting in a cleartext signature Some magic pre-processing of the text is done to
-     * convert it to a format usable for cleartext signatures per RFC 4880 before the text is
-     * actually signed:
-     * - end cleartext with newline
-     * - remove whitespaces on line endings
-     *
-     * required extras: long EXTRA_SIGN_KEY_ID (key id of signing key)
-     *
-     * optional extras: char[] EXTRA_PASSPHRASE (key passphrase)
-     */
-    public const val ACTION_CLEARTEXT_SIGN: String = "org.openintents.openpgp.action.CLEARTEXT_SIGN"
-
-    /**
-     * Sign text or binary data resulting in a detached signature. No OutputStream necessary for
-     * ACTION_DETACHED_SIGN (No magic pre-processing like in ACTION_CLEARTEXT_SIGN)! The detached
-     * signature is returned separately in RESULT_DETACHED_SIGNATURE.
-     *
-     * required extras: long EXTRA_SIGN_KEY_ID (key id of signing key)
-     *
-     * optional extras: boolean EXTRA_REQUEST_ASCII_ARMOR (request ascii armor for detached
-     * signature) char[] EXTRA_PASSPHRASE (key passphrase)
-     *
-     * returned extras: byte[] RESULT_DETACHED_SIGNATURE String RESULT_SIGNATURE_MICALG (contains
-     * the name of the used signature algorithm as a string)
-     */
-    public const val ACTION_DETACHED_SIGN: String = "org.openintents.openpgp.action.DETACHED_SIGN"
-
-    /**
-     * Encrypt
-     *
-     * required extras: String[] EXTRA_USER_IDS (=emails of recipients, if more than one key has a
-     * user_id, a PendingIntent is returned via RESULT_INTENT) or long[] EXTRA_KEY_IDS
-     *
-     * optional extras: boolean EXTRA_REQUEST_ASCII_ARMOR (request ascii armor for output) char[]
-     * EXTRA_PASSPHRASE (key passphrase) String EXTRA_ORIGINAL_FILENAME (original filename to be
-     * encrypted as metadata) boolean EXTRA_ENABLE_COMPRESSION (enable ZLIB compression, default ist
-     * true)
-     */
-    public const val ACTION_ENCRYPT: String = "org.openintents.openpgp.action.ENCRYPT"
-
-    /**
-     * Sign and encrypt
-     *
-     * required extras: String[] EXTRA_USER_IDS (=emails of recipients, if more than one key has a
-     * user_id, a PendingIntent is returned via RESULT_INTENT) or long[] EXTRA_KEY_IDS
-     *
-     * optional extras: long EXTRA_SIGN_KEY_ID (key id of signing key) boolean
-     * EXTRA_REQUEST_ASCII_ARMOR (request ascii armor for output) char[] EXTRA_PASSPHRASE (key
-     * passphrase) String EXTRA_ORIGINAL_FILENAME (original filename to be encrypted as metadata)
-     * boolean EXTRA_ENABLE_COMPRESSION (enable ZLIB compression, default ist true)
-     */
-    public const val ACTION_SIGN_AND_ENCRYPT: String =
-      "org.openintents.openpgp.action.SIGN_AND_ENCRYPT"
-
-    public const val ACTION_QUERY_AUTOCRYPT_STATUS: String =
-      "org.openintents.openpgp.action.QUERY_AUTOCRYPT_STATUS"
-
-    /**
-     * Decrypts and verifies given input stream. This methods handles encrypted-only,
-     * signed-and-encrypted, and also signed-only input. OutputStream is optional, e.g., for
-     * verifying detached signatures!
-     *
-     * If OpenPgpSignatureResult.getResult() == OpenPgpSignatureResult.RESULT_KEY_MISSING in
-     * addition a PendingIntent is returned via RESULT_INTENT to download missing keys. On all other
-     * status, in addition a PendingIntent is returned via RESULT_INTENT to open the key view in
-     * OpenKeychain.
-     *
-     * optional extras: byte[] EXTRA_DETACHED_SIGNATURE (detached signature)
-     *
-     * returned extras: OpenPgpSignatureResult RESULT_SIGNATURE OpenPgpDecryptionResult
-     * RESULT_DECRYPTION OpenPgpDecryptMetadata RESULT_METADATA String RESULT_CHARSET (charset which
-     * was specified in the headers of ascii armored input, if any)
-     */
-    public const val ACTION_DECRYPT_VERIFY: String = "org.openintents.openpgp.action.DECRYPT_VERIFY"
-
-    /**
-     * Decrypts the header of an encrypted file to retrieve metadata such as original filename.
-     *
-     * This does not decrypt the actual content of the file.
-     *
-     * returned extras: OpenPgpDecryptMetadata RESULT_METADATA String RESULT_CHARSET (charset which
-     * was specified in the headers of ascii armored input, if any)
-     */
-    public const val ACTION_DECRYPT_METADATA: String =
-      "org.openintents.openpgp.action.DECRYPT_METADATA"
-
-    /**
-     * Select key id for signing
-     *
-     * optional extras: String EXTRA_USER_ID
-     *
-     * returned extras: long EXTRA_SIGN_KEY_ID
-     */
-    public const val ACTION_GET_SIGN_KEY_ID: String =
-      "org.openintents.openpgp.action.GET_SIGN_KEY_ID"
-
-    /**
-     * Get key ids based on given user ids (=emails)
-     *
-     * required extras: String[] EXTRA_USER_IDS
-     *
-     * returned extras: long[] RESULT_KEY_IDS
-     */
-    public const val ACTION_GET_KEY_IDS: String = "org.openintents.openpgp.action.GET_KEY_IDS"
-
-    /**
-     * This action returns RESULT_CODE_SUCCESS if the OpenPGP Provider already has the key
-     * corresponding to the given key id in its database.
-     *
-     * It returns RESULT_CODE_USER_INTERACTION_REQUIRED if the Provider does not have the key. The
-     * PendingIntent from RESULT_INTENT can be used to retrieve those from a keyserver.
-     *
-     * If an Output stream has been defined the whole public key is returned. required extras: long
-     * EXTRA_KEY_ID
-     *
-     * optional extras: String EXTRA_REQUEST_ASCII_ARMOR (request that the returned key is encoded
-     * in ASCII Armor)
-     */
-    public const val ACTION_GET_KEY: String = "org.openintents.openpgp.action.GET_KEY"
-
-    /**
-     * Backup all keys given by EXTRA_KEY_IDS and if requested their secret parts. The encrypted
-     * backup will be written to the OutputStream. The client app has no access to the backup code
-     * used to encrypt the backup! This operation always requires user interaction with
-     * RESULT_CODE_USER_INTERACTION_REQUIRED!
-     *
-     * required extras: long[] EXTRA_KEY_IDS (keys that should be included in the backup) boolean
-     * EXTRA_BACKUP_SECRET (also backup secret keys)
-     */
-    public const val ACTION_BACKUP: String = "org.openintents.openpgp.action.BACKUP"
-
-    public const val ACTION_UPDATE_AUTOCRYPT_PEER: String =
-      "org.openintents.openpgp.action.UPDATE_AUTOCRYPT_PEER"
-
-    /* Intent extras */
-    public const val EXTRA_API_VERSION: String = "api_version"
-
-    // ACTION_DETACHED_SIGN, ENCRYPT, SIGN_AND_ENCRYPT, DECRYPT_VERIFY
-    // request ASCII Armor for output
-    // OpenPGP Radix-64, 33 percent overhead compared to binary, see
-    // http://tools.ietf.org/html/rfc4880#page-53)
-    public const val EXTRA_REQUEST_ASCII_ARMOR: String = "ascii_armor"
-
-    // ACTION_DETACHED_SIGN
-    public const val RESULT_DETACHED_SIGNATURE: String = "detached_signature"
-    public const val RESULT_SIGNATURE_MICALG: String = "signature_micalg"
-
-    // ENCRYPT, SIGN_AND_ENCRYPT, QUERY_AUTOCRYPT_STATUS
-    public const val EXTRA_USER_IDS: String = "user_ids"
-    public const val EXTRA_KEY_IDS: String = "key_ids"
-    public const val EXTRA_KEY_IDS_SELECTED: String = "key_ids_selected"
-    public const val EXTRA_SIGN_KEY_ID: String = "sign_key_id"
-
-    public const val RESULT_KEYS_CONFIRMED: String = "keys_confirmed"
-    public const val RESULT_AUTOCRYPT_STATUS: String = "autocrypt_status"
-    public const val AUTOCRYPT_STATUS_UNAVAILABLE: Int = 0
-    public const val AUTOCRYPT_STATUS_DISCOURAGE: Int = 1
-    public const val AUTOCRYPT_STATUS_AVAILABLE: Int = 2
-    public const val AUTOCRYPT_STATUS_MUTUAL: Int = 3
-
-    // optional extras:
-    public const val EXTRA_PASSPHRASE: String = "passphrase"
-    public const val EXTRA_ORIGINAL_FILENAME: String = "original_filename"
-    public const val EXTRA_ENABLE_COMPRESSION: String = "enable_compression"
-    public const val EXTRA_OPPORTUNISTIC_ENCRYPTION: String = "opportunistic"
-
-    // GET_SIGN_KEY_ID
-    public const val EXTRA_USER_ID: String = "user_id"
-
-    // GET_KEY
-    public const val EXTRA_KEY_ID: String = "key_id"
-    public const val EXTRA_MINIMIZE: String = "minimize"
-    public const val EXTRA_MINIMIZE_USER_ID: String = "minimize_user_id"
-    public const val RESULT_KEY_IDS: String = "key_ids"
-
-    // BACKUP
-    public const val EXTRA_BACKUP_SECRET: String = "backup_secret"
-
-    /* Service Intent returns */
-    public const val RESULT_CODE: String = "result_code"
-
-    // get actual error object from RESULT_ERROR
-    public const val RESULT_CODE_ERROR: Int = 0
-
-    // success!
-    public const val RESULT_CODE_SUCCESS: Int = 1
-
-    // get PendingIntent from RESULT_INTENT, start PendingIntent with
-    // startIntentSenderForResult,
-    // and execute service method again in onActivityResult
-    public const val RESULT_CODE_USER_INTERACTION_REQUIRED: Int = 2
-
-    public const val RESULT_ERROR: String = "error"
-    public const val RESULT_INTENT: String = "intent"
-
-    // DECRYPT_VERIFY
-    public const val EXTRA_DETACHED_SIGNATURE: String = "detached_signature"
-    public const val EXTRA_PROGRESS_MESSENGER: String = "progress_messenger"
-    public const val EXTRA_DATA_LENGTH: String = "data_length"
-    public const val EXTRA_DECRYPTION_RESULT: String = "decryption_result"
-    public const val EXTRA_SENDER_ADDRESS: String = "sender_address"
-    public const val EXTRA_SUPPORT_OVERRIDE_CRYPTO_WARNING: String =
-      "support_override_crpto_warning"
-    public const val EXTRA_AUTOCRYPT_PEER_ID: String = "autocrypt_peer_id"
-    public const val EXTRA_AUTOCRYPT_PEER_UPDATE: String = "autocrypt_peer_update"
-    public const val EXTRA_AUTOCRYPT_PEER_GOSSIP_UPDATES: String = "autocrypt_peer_gossip_updates"
-    public const val RESULT_SIGNATURE: String = "signature"
-    public const val RESULT_DECRYPTION: String = "decryption"
-    public const val RESULT_METADATA: String = "metadata"
-    public const val RESULT_INSECURE_DETAIL_INTENT: String = "insecure_detail_intent"
-    public const val RESULT_OVERRIDE_CRYPTO_WARNING: String = "override_crypto_warning"
-
-    // This will be the charset which was specified in the headers of ascii armored input, if
-    // any
-    public const val RESULT_CHARSET: String = "charset"
-
-    // INTERNAL, must not be used
-    internal const val EXTRA_CALL_UUID1 = "call_uuid1"
-    internal const val EXTRA_CALL_UUID2 = "call_uuid2"
-  }
-}
diff --git a/openpgp-ktx/src/main/java/me/msfjarvis/openpgpktx/util/OpenPgpServiceConnection.kt b/openpgp-ktx/src/main/java/me/msfjarvis/openpgpktx/util/OpenPgpServiceConnection.kt
deleted file mode 100644
index 52610ea8..00000000
--- a/openpgp-ktx/src/main/java/me/msfjarvis/openpgpktx/util/OpenPgpServiceConnection.kt
+++ /dev/null
@@ -1,91 +0,0 @@
-/*
- * Copyright © 2014-2021 The Android Password Store Authors. All Rights Reserved.
- * SPDX-License-Identifier: Apache-2.0
- */
-package me.msfjarvis.openpgpktx.util
-
-import android.content.ComponentName
-import android.content.Context
-import android.content.Intent
-import android.content.ServiceConnection
-import android.os.IBinder
-import org.openintents.openpgp.IOpenPgpService2
-
-public class OpenPgpServiceConnection(context: Context, providerPackageName: String?) {
-
-  // callback interface
-  public interface OnBound {
-
-    public fun onBound(service: IOpenPgpService2)
-
-    public fun onError(e: Exception)
-  }
-
-  private val mApplicationContext: Context = context.applicationContext
-  public var service: IOpenPgpService2? = null
-    private set
-
-  private val mProviderPackageName: String? = providerPackageName
-  private var mOnBoundListener: OnBound? = null
-
-  /**
-   * Create new connection with callback
-   *
-   * @param context
-   * @param providerPackageName specify package name of OpenPGP provider, e.g.,
-   *   "org.sufficientlysecure.keychain"
-   * @param onBoundListener callback, executed when connection to service has been established
-   */
-  public constructor(
-    context: Context,
-    providerPackageName: String?,
-    onBoundListener: OnBound?
-  ) : this(context, providerPackageName) {
-    mOnBoundListener = onBoundListener
-  }
-
-  public val isBound: Boolean
-    get() = service != null
-
-  private val mServiceConnection: ServiceConnection =
-    object : ServiceConnection {
-      override fun onServiceConnected(name: ComponentName, service: IBinder) {
-        this@OpenPgpServiceConnection.service = IOpenPgpService2.Stub.asInterface(service)
-        mOnBoundListener?.onBound(this@OpenPgpServiceConnection.service!!)
-      }
-
-      override fun onServiceDisconnected(name: ComponentName) {
-        service = null
-      }
-    }
-
-  /** If not already bound, bind to service! */
-  public fun bindToService() {
-    if (service == null) {
-      // if not already bound...
-      try {
-        val serviceIntent = Intent(OpenPgpApi.SERVICE_INTENT_2)
-        // NOTE: setPackage is very important to restrict the intent to this provider only!
-        serviceIntent.setPackage(mProviderPackageName)
-        val connect =
-          mApplicationContext.bindService(
-            serviceIntent,
-            mServiceConnection,
-            Context.BIND_AUTO_CREATE
-          )
-        if (!connect) {
-          throw Exception("bindService() returned false!")
-        }
-      } catch (e: Exception) {
-        mOnBoundListener?.onError(e)
-      }
-    } else {
-      // already bound, but also inform client about it with callback
-      mOnBoundListener?.onBound(service!!)
-    }
-  }
-
-  public fun unbindFromService() {
-    mApplicationContext.unbindService(mServiceConnection)
-  }
-}
diff --git a/openpgp-ktx/src/main/java/me/msfjarvis/openpgpktx/util/OpenPgpUtils.kt b/openpgp-ktx/src/main/java/me/msfjarvis/openpgpktx/util/OpenPgpUtils.kt
deleted file mode 100644
index aee5babe..00000000
--- a/openpgp-ktx/src/main/java/me/msfjarvis/openpgpktx/util/OpenPgpUtils.kt
+++ /dev/null
@@ -1,114 +0,0 @@
-/*
- * Copyright © 2014-2021 The Android Password Store Authors. All Rights Reserved.
- * SPDX-License-Identifier: Apache-2.0
- */
-package me.msfjarvis.openpgpktx.util
-
-import android.content.Context
-import android.content.Intent
-import java.io.Serializable
-import java.util.Locale
-import java.util.regex.Pattern
-
-public object OpenPgpUtils {
-
-  private val PGP_MESSAGE: Pattern =
-    Pattern.compile(
-      ".*?(-----BEGIN PGP MESSAGE-----.*?-----END PGP MESSAGE-----).*",
-      Pattern.DOTALL
-    )
-  private val PGP_SIGNED_MESSAGE: Pattern =
-    Pattern.compile(
-      ".*?(-----BEGIN PGP SIGNED MESSAGE-----.*?-----BEGIN PGP SIGNATURE-----.*?-----END PGP SIGNATURE-----).*",
-      Pattern.DOTALL
-    )
-  private val USER_ID_PATTERN = Pattern.compile("^(.*?)(?: \\((.*)\\))?(?: <(.*)>)?$")
-  private val EMAIL_PATTERN = Pattern.compile("^<?\"?([^<>\"]*@[^<>\"]*[.]?[^<>\"]*)\"?>?$")
-  public const val PARSE_RESULT_NO_PGP: Int = -1
-  public const val PARSE_RESULT_MESSAGE: Int = 0
-  public const val PARSE_RESULT_SIGNED_MESSAGE: Int = 1
-
-  public fun parseMessage(message: String): Int {
-    val matcherSigned = PGP_SIGNED_MESSAGE.matcher(message)
-    val matcherMessage = PGP_MESSAGE.matcher(message)
-    return when {
-      matcherMessage.matches() -> PARSE_RESULT_MESSAGE
-      matcherSigned.matches() -> PARSE_RESULT_SIGNED_MESSAGE
-      else -> PARSE_RESULT_NO_PGP
-    }
-  }
-
-  public fun isAvailable(context: Context): Boolean {
-    val intent = Intent(OpenPgpApi.SERVICE_INTENT_2)
-    val resInfo = context.packageManager.queryIntentServices(intent, 0)
-    return resInfo.isNotEmpty()
-  }
-
-  public fun convertKeyIdToHex(keyId: Long): String {
-    return "0x" + convertKeyIdToHex32bit(keyId shr 32) + convertKeyIdToHex32bit(keyId)
-  }
-
-  private fun convertKeyIdToHex32bit(keyId: Long): String {
-    var hexString = java.lang.Long.toHexString(keyId and 0xffffffffL).lowercase(Locale.ENGLISH)
-    while (hexString.length < 8) {
-      hexString = "0$hexString"
-    }
-    return hexString
-  }
-
-  /**
-   * Splits userId string into naming part, email part, and comment part. See SplitUserIdTest for
-   * examples.
-   */
-  public fun splitUserId(userId: String): UserId {
-    if (userId.isNotEmpty()) {
-      val matcher = USER_ID_PATTERN.matcher(userId)
-      if (matcher.matches()) {
-        var name = if (matcher.group(1)?.isEmpty() == true) null else matcher.group(1)
-        val comment = matcher.group(2)
-        var email = matcher.group(3)
-        if (email != null && name != null) {
-          val emailMatcher = EMAIL_PATTERN.matcher(name)
-          if (emailMatcher.matches() && email == emailMatcher.group(1)) {
-            email = emailMatcher.group(1)
-            name = null
-          }
-        }
-        if (email == null && name != null) {
-          val emailMatcher = EMAIL_PATTERN.matcher(name)
-          if (emailMatcher.matches()) {
-            email = emailMatcher.group(1)
-            name = null
-          }
-        }
-        return UserId(name, email, comment)
-      }
-    }
-    return UserId(null, null, null)
-  }
-
-  /** Returns a composed user id. Returns null if name, email and comment are empty. */
-  public fun createUserId(userId: UserId): String? {
-    val userIdBuilder = StringBuilder()
-    if (!userId.name.isNullOrEmpty()) {
-      userIdBuilder.append(userId.name)
-    }
-    if (!userId.comment.isNullOrEmpty()) {
-      userIdBuilder.append(" (")
-      userIdBuilder.append(userId.comment)
-      userIdBuilder.append(")")
-    }
-    if (!userId.email.isNullOrEmpty()) {
-      userIdBuilder.append(" <")
-      userIdBuilder.append(userId.email)
-      userIdBuilder.append(">")
-    }
-    return if (userIdBuilder.isEmpty()) null else userIdBuilder.toString()
-  }
-
-  public class UserId(
-    public val name: String?,
-    public val email: String?,
-    public val comment: String?
-  ) : Serializable
-}
diff --git a/openpgp-ktx/src/main/java/me/msfjarvis/openpgpktx/util/ParcelFileDescriptorUtil.kt b/openpgp-ktx/src/main/java/me/msfjarvis/openpgpktx/util/ParcelFileDescriptorUtil.kt
deleted file mode 100644
index 1229b95c..00000000
--- a/openpgp-ktx/src/main/java/me/msfjarvis/openpgpktx/util/ParcelFileDescriptorUtil.kt
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * Copyright © 2014-2021 The Android Password Store Authors. All Rights Reserved.
- * SPDX-License-Identifier: Apache-2.0
- */
-@file:Suppress("BlockingMethodInNonBlockingContext")
-
-package me.msfjarvis.openpgpktx.util
-
-import android.os.ParcelFileDescriptor
-import android.os.ParcelFileDescriptor.AutoCloseInputStream
-import android.os.ParcelFileDescriptor.AutoCloseOutputStream
-import android.util.Log
-import java.io.IOException
-import java.io.InputStream
-import java.io.OutputStream
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.withContext
-
-internal object ParcelFileDescriptorUtil {
-
-  private const val TAG = "PFDUtils"
-
-  internal suspend fun pipeFrom(inputStream: InputStream): ParcelFileDescriptor {
-    val pipe = ParcelFileDescriptor.createPipe()
-    val readSide = pipe[0]
-    val writeSide = pipe[1]
-    transferStreams(inputStream, AutoCloseOutputStream(writeSide))
-    return readSide
-  }
-
-  internal suspend fun pipeTo(outputStream: OutputStream, output: ParcelFileDescriptor?) {
-    transferStreams(AutoCloseInputStream(output), outputStream)
-  }
-
-  private suspend fun transferStreams(`in`: InputStream, `out`: OutputStream) {
-    withContext(Dispatchers.IO) {
-      val buf = ByteArray(4096)
-      var len: Int
-      try {
-        while (`in`.read(buf).also { len = it } > 0) {
-          out.write(buf, 0, len)
-        }
-      } catch (e: IOException) {
-        Log.e(TAG, "IOException when writing to out", e)
-      } finally {
-        try {
-          `in`.close()
-        } catch (ignored: IOException) {}
-        try {
-          out.close()
-        } catch (ignored: IOException) {}
-      }
-    }
-  }
-}